diff --git a/gossamer_forums.rb b/gossamer_forums.rb
index f159761..53a5b2f 100644
--- a/gossamer_forums.rb
+++ b/gossamer_forums.rb
@@ -1,5 +1,5 @@
 # gossamer threads migration-import code
-# v0.15
+# v0.15.1
 
 require 'mysql2'
 require 'open-uri'
@@ -137,7 +137,7 @@ class GossamerForumsImporter < ImportScripts::Base
   # Sanitize the username to meet Discourse's requirements
   def sanitize_username(original_username, email, real_name)
 #     original_username = username
-    sanitized_username = username.gsub(/[^a-zA-Z0-9._-]/, '_')
+    sanitized_username = original_username.gsub(/[^a-zA-Z0-9._-]/, '_')
     sanitized_username = "#{sanitized_username}." if sanitized_username.length < 2 # Allow two-character usernames
     sanitized_username = sanitized_username[0, 20] if sanitized_username.length > 20
     firststep_sanitized = sanitized_username